package com.codeoss.framework.springsecurity;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import com.codeoss.framework.response.CommonResponse;
import com.fasterxml.jackson.databind.ObjectMapper;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author huoqiang
 * @description 当未登录或者token失效访问接口时，自定义的返回结果
 * @date 2021/9/6
 */
@Component
public class CustomAuthenticationEntryPoint implements AuthenticationEntryPoint {
	@Autowired
	private ObjectMapper objectMapper;
    @Override
    public void commence(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, AuthenticationException e) throws IOException, ServletException {
        httpServletResponse.setCharacterEncoding("UTF-8");
        httpServletResponse.setContentType("application/json");
        CommonResponse commonResponse=new CommonResponse();
        commonResponse.setCode(CommonResponse.CODE_SESSION_TIMEOUT);
        String result=objectMapper.writeValueAsString(commonResponse);
        httpServletResponse.getWriter().println(result);
        httpServletResponse.getWriter().flush();
    }
}
